AZL-6464
Dashboard / Vulnerabilities / AZL-6464
Summary: CVE-2020-27779 affecting package grub2 for versions less than 2.06~rc1-7
Details: A flaw was found in grub2 in versions prior to 2.06. The cutmem command does not honor secure boot locking allowing an privileged attacker to remove address ranges from memory creating an opportunity to circumvent SecureBoot protections after proper triage about grub's memory layout. The highest threat from this vulnerability is to data confidentiality and integrity as well as system availability.
References: https://nvd.nist.gov/vuln/detail/CVE-2020-27779
Affected packages
Package
Name: grub2
Purl: pkg:rpm/azure-linux/grub2
Affected ranges
Type: ECOSYSTEM
Events:
Introduced- 0
Fixed -2.06~rc1-7
Affected versions
Common Vulnerability Scoring System
Attack Vector
Network
Adjacent
Local
Physical
Privileges Required
None
Low
High
User Interaction
None
Required
Scope
Unchanged
Changed
Confidentiality
None
Low
High
Integrity
None
Low
High
Availability
None
Low
High
